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$318+ Cheap flights from Dulles Intl (IAD) to London City (LCY)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LCY
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Dulles Intl to London City

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to London City (LCY). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 17, 2025.

Round-trip from

$601
(Cheapflightsfares)

One-way from

$318
(Mytrip)

Popular in

April

Cheapest in

September

Average price

$484
From Washington, D.C. Dulles Intl to London City
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One-way flight from Washington, D.C. Dulles Intl to London City
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Highest demand for flights based on searches. 17% potential increase in price ($185 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($80 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Dulles Intl to London City

Cheapest flights from Dulles Intl to London City
Explore the most affordable flight options available from Dulles Intl to London City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/18:45 pmIAD - LCY
1 stop10h 45mSWISS
Wed 10/159:25 amLCY - IAD
1 stop11h 50mSWISS
Deal found 9/15$601
This Cheapflightsfares deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/298:45 pmIAD - LCY
1 stop10h 45mSWISS
Tue 10/79:25 amLCY - IAD
1 stop11h 50mSWISS
Deal found 9/16$602
This Cheapflightsfares deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/88:45 pmIAD - LCY
1 stop15h 30mSWISS
Wed 10/159:25 amLCY - IAD
1 stop11h 50mSWISS
Deal found 9/15$606
This Cheapflightsfares deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/18:45 pmIAD - LCY
1 stop17h 00mSWISS
Tue 10/149:25 amLCY - IAD
1 stop11h 50mSWISS
Deal found 9/17$607
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/288:45 pmIAD - LCY
1 stop31h 05mSWISS
Tue 10/79:25 amLCY - IAD
1 stop11h 50mSWISS
Deal found 9/16$608
This Gotogate deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/228:45 pmIAD - LCY
1 stop10h 45mSWISS
Tue 9/309:25 amLCY - IAD
1 stop11h 50mSWISS
Deal found 9/15$609
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/228:45 pmIAD - LCY
1 stop17h 00mSWISS
Mon 9/296:05 pmLCY - IAD
1 stop27h 10mSWISS
Deal found 9/15$612
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/238:45 pmIAD - LCY
1 stop10h 45mSWISS
Thu 10/29:25 amLCY - IAD
1 stop11h 50mSWISS
Deal found 9/15$613
This Lufthansa deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/68:45 pmIAD - LCY
1 stop10h 45mSWISS
Wed 10/229:25 amLCY - IAD
1 stop11h 50mSWISS
Deal found 9/16$614
This Gotogate deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/98:30 pmIAD - LCY
1 stop11h 20mSWISS
Tue 11/189:15 amLCY - IAD
1 stop12h 25mSWISS
Deal found 9/17$616

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to London City that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to London City Airport that are best for you.

Fly from

Dulles Intl

Fly to

London City

Route

Depart

Return

Price

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Sun 11/23

6:05 pm-8:50 am

1 stop9h 45m

London City

Wed 12/3

9:20 am-4:05 pm

1 stop11h 45m

$638

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Tue 10/14

5:25 pm-8:10 am

1 stop9h 45m

London City

Thu 12/4

10:00 am-4:05 pm

1 stop11h 05m

$638

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Sun 2/8

6:05 pm-8:50 am

1 stop9h 45m

London City

Wed 3/11

9:20 am-5:05 pm

1 stop11h 45m

$646

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Tue 9/30

5:25 pm-9:30 am

1 stop11h 05m

London City

Thu 10/9

8:40 am-11:00 pm

2 stops19h 20m

$648

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Wed 11/26

6:05 pm-8:50 am

1 stop9h 45m

London City

Tue 12/2

10:00 am-4:05 pm

1 stop11h 05m

$668

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Wed 10/22

5:25 pm-4:40 pm

1 stop18h 15m

London City

Sun 11/23

6:55 pm-4:05 pm

1 stop26h 10m

$688

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Fri 10/10

5:25 pm-8:10 am

1 stop9h 45m

London City

Wed 10/15

10:00 am-3:35 pm

1 stop10h 35m

$688

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Fri 10/3

5:25 pm-9:30 am

1 stop11h 05m

London City

Thu 10/9

9:20 am-3:35 pm

1 stop11h 15m

$688

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Sun 10/12

5:25 pm-8:10 am

1 stop9h 45m

London City

Mon 10/20

9:20 am-3:35 pm

1 stop11h 15m

$688

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Mon 11/24

12:11 pm-8:10 am

2 stops14h 59m

London City

Fri 1/9

7:45 am-7:12 pm

2 stops16h 27m

$691

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 24 results
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Best time to book a flight from Dulles Intl to London City

Have a flexible travel schedule? Discover the best time to fly to London City from Dulles Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to London City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to London City Airport?

    Delta, KLM, and Virgin Atlantic can get you from Washington, D.C. Dulles Intl Airport to London City Airport in just under 9h 45m. Your travel time can differ by up to 1h 20m. Washington, D.C. Dulles Intl Airport and London City Airport are separated by a distance of 3684 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to London City Airport one-way?

    To fly one-way, consider booking your trip with SWISS, which is currently one of the cheapest options available, starting at $418. Lufthansa flights start at $420 while deals on United Airlines start at $421 one-way.

  • Can I find deals for flights from Dulles Intl to London City that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to London City flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to London City?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to London City.

  • Can I find deals for business class flights from Dulles Intl to London City?

    Yes. Cheapflights offers flight deals from Dulles Intl to London City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to London City Airport?

    Currently, April is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to London City Airport (average of $686). Flying from Washington, D.C. Dulles Intl Airport to London City Airport in July is currently the most expensive (average of $1,046). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near London City Airport?

Book flights to London City Airport if you plan to visit one of these locations
Hounslow
Hayes
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Harrow
Canterbury
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Eastleigh
Dartford
Dover
Winchester
Orpington
Gatwick
Borehamwood
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Wembley
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Chichester
Eastbourne
Sutton

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